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Find the plane of the intersection of `x^2+y^2+z^2+2x+2y+2=0a n d2x^2+4y^2+4z^2+4x+4y+4z-1=0.`

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The given spheres are
`" "x^(2)+y^(2)+z^(2)+2x+2y+2z+2=0" "`(i)
and `" "x^(2)+y^(2)+z^(2)+x+y+z -(1//4) = 0 " "` (ii)
The required plane is
`" "(2x-x)+(2y-y)+ (2z-z)+ 2+ (1)/(4) =0 `
or `" "4x+4y +4z+9=0`
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